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| author |   Ian Rogers <irogers@google.com> | 2020-05-01 10:33:27 -0700 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-05-28 10:03:25 -0300 |
| commit | 7db2fd0b211394be8b4c7caadc943d0d7ca86357 (patch) | |
| tree | 7d94934ebda2761a12bf45710f849dc4ab0602cd /tools/perf/util/expr.l | |
| parent | perf expr: Increase max other (diff) | |
| download | linux-dev-7db2fd0b211394be8b4c7caadc943d0d7ca86357.tar.xz linux-dev-7db2fd0b211394be8b4c7caadc943d0d7ca86357.zip | |
perf expr: Parse numbers as doubles
This is expected in expr.y and metrics use floating point values such as
x86 broadwell IFetch_Line_Utilization.
Fixes: 26226a97724d (perf expr: Move expr lexer to flex)
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Kajol Jain <kjain@linux.ibm.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Haiyan Song <haiyanx.song@intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20200501173333.227162-7-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/expr.l')
| -rw-r--r-- | tools/perf/util/expr.l | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l index 73db6a9ef97e..ceab11bea6f9 100644 --- a/tools/perf/util/expr.l +++ b/tools/perf/util/expr.l @@ -10,12 +10,12 @@ char *expr_get_text(yyscan_t yyscanner); YYSTYPE *expr_get_lval(yyscan_t yyscanner); -static int __value(YYSTYPE *yylval, char *str, int base, int token) +static double __value(YYSTYPE *yylval, char *str, int token) { - u64 num; + double num; errno = 0; - num = strtoull(str, NULL, base); + num = strtod(str, NULL); if (errno) return EXPR_ERROR; @@ -23,12 +23,12 @@ static int __value(YYSTYPE *yylval, char *str, int base, int token) return token; } -static int value(yyscan_t scanner, int base) +static int value(yyscan_t scanner) { YYSTYPE *yylval = expr_get_lval(scanner); char *text = expr_get_text(scanner); - return __value(yylval, text, base, NUMBER); + return __value(yylval, text, NUMBER); } /* @@ -81,7 +81,7 @@ static int str(yyscan_t scanner, int token, int runtime) } %} -number [0-9]+ +number [0-9]*\.?[0-9]+ sch [-,=] spec \\{sch} @@ -105,7 +105,7 @@ min { return MIN; } if { return IF; } else { return ELSE; } #smt_on { return SMT_ON; } -{number} { return value(yyscanner, 10); } +{number} { return value(yyscanner); } {symbol} { return str(yyscanner, ID, sctx->runtime); } "|" { return '|'; } "^" { return '^'; } |